物鏡棱鏡 的英文怎麼說
中文拼音 [wùjìngléngjìng]
物鏡棱鏡
英文
objective prism-
This paper analyses the critical angle method that often use in focus detected. we receive two relations, the first relation between refractive index of the critical - angle prism and focus - error signal ; the second relation between numerical aperture of object lens and out - of - focus error signal
本文針對伺服系統中常用的調焦方法-臨界角方法進行了分析，理論上得到臨界角棱鏡的折射率、物鏡的數值孔徑與離焦誤差信號的關系。In the retrofocus project, a retrofocus structure with two elements is used in the object lens to enlarge fov and back working distance, in the head of which the negative meniscus have the effect of balancing aberration and deviating rays like a prism. and a standard hyperhemisphere immersion lens with high refractive index is put behind the object lens to satisfy the receiving of a detector with smaller photosensitive
反遠距設計方案中物鏡採用二片式反遠距結構，增大了視場和后工作距離，彎月型負透鏡在前，具有平衡像差和棱鏡的偏向作用;物鏡後放置高折射率標準超半球型浸沒透鏡，滿足小光敏面探測器接收。The best known is the nicol prism, invented in 1828 by the scottish physicist william nicol.
最有名的是尼科耳棱鏡，1828年由蘇格蘭物理學家尼科耳所發明。The best known is the nicol prism, invented in 1828 by the scottish physicist william nicol
最有名的是尼科耳棱鏡， 1828年由蘇格蘭物理學家尼科耳所發明。This paper analyses emphatically the position error and manufacture error of critical - angle prism the position error and aberration of object lens the position error and manufacture error of the polarization beam splitter the position error of the detector, and come out their relations
著重分析了臨界角棱鏡位置誤差與製造誤差；物鏡的位置誤差與像差；偏振分束棱鏡的位置誤差與製造誤差；探測器的位置誤差等對離焦誤差信號的影響，並給出了理論曲線。In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery
魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角（接近180 ） ，但同時也引入嚴重的圖像變形，常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形模型的基礎上，通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形，建立了魚眼鏡頭成像的精確成像模型，然後，利用非線性迭代演算法，精確求解攝像機外部參數、內部參數.實驗表明，使用該方法得到的立體視覺系統參數滿足精確恢復大場景稠密深度圖的要求The course covers non - sequential ray tracing, sources, detectors, objects, ray splitting, scattering, ghost analysis, stray light analysis, prisms, fresnel lenses, multi - element lenses, gradient index, polarization and thin film modeling
本課程涵蓋了非連續光線的追跡、光源、探測器、物體、分光、散射、鬼像分析、雜散光分析、棱鏡、菲涅耳透鏡、多元件透鏡、梯度折射率、偏振和薄膜的建立。We simulate the practicality system to experimentalize, obtain the relation between defocus and focus error signal, make it a condition that na = 0. 625 and n = 1. 7979
並模擬實際系統，實驗得出當臨界角棱鏡的折射率n = 1 . 7979 、物鏡的數值孔徑na = 0 . 625時，離焦量與離焦誤差信號的關系曲線。This is because the clear crystals are tiny prisms that reflect all the colors of the spectrum, just as any white object does, so white is what the eye perceives
這是因為清晰的晶體是微笑的棱鏡可以反映所有顏色的光譜，就象任何白色物體所能做的，因此白色是眼睛所能感覺的到的。A five - phase numerical model based on prism coupled is derived from maxwell equation and fresnel equation. using the professional software - mathcad, characteristic of this numerical model is simulated. the relationships between depths of the metal film, bio - sensitive film, cover slide, the refractive index of bio - sensitive film and the resonant angle ospr has been discussed respectively
根據maxwell方程和fresnel方程推導出5層棱鏡耦合spr數值化模型，利用數學軟體mathcad對該數學模型進行了模擬，討論了金屬膜厚度d _ 2 、生物膜厚度d _ 3和折射率n _ 3 、載玻片厚度d _ 1與諧振峰值_ （ spr ）的關系。分享友人